Adaptive Cruise Control Fault
WarningBYD · Driver Assist
What does this warning light mean?
When this warning light stays on, it indicates a fault with the Adaptive Cruise Control (ACC) system and it cannot operate normally. This may be caused by dirt or obstruction on the front radar sensor, or a system hardware fault.
Can I drive?
Yes — safe to drive
What to do
Take your vehicle to a BYD authorised service centre for inspection. Do not use cruise control until the fault is repaired—manually control your speed and following distance instead.
Likely causes
- —Front radar blocked or dirty
- —Radar module fault
- —Wiring fault
Technical Information
| Field | Value |
|---|---|
| Code | BYD_WL_015 |
| System | Driver Assist |
| Severity | WARNING |
| Can drive? | yes |
Data confidence: Community This information is for reference only. Always consult a qualified technician for diagnosis and repair. Do not attempt high-voltage system repairs yourself.